modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/gpu/drm/msm/msm_debugfs.c
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@@ -1,22 +1,16 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (C) 2013-2016 Red Hat
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  * Author: Rob Clark <robdclark@gmail.com>
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms of the GNU General Public License version 2 as published by
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- * the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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- *
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- * You should have received a copy of the GNU General Public License along with
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- * this program.  If not, see <http://www.gnu.org/licenses/>.
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  */
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 #ifdef CONFIG_DEBUG_FS
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+
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 #include <linux/debugfs.h>
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+
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+#include <drm/drm_debugfs.h>
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+#include <drm/drm_file.h>
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+
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 #include "msm_drv.h"
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 #include "msm_gpu.h"
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 #include "msm_kms.h"
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@@ -71,7 +65,7 @@
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 	struct msm_gpu_show_priv *show_priv;
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 	int ret;
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-	if (!gpu)
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+	if (!gpu || !gpu->funcs->gpu_state_get)
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 		return -ENODEV;
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 	show_priv = kmalloc(sizeof(*show_priv), GFP_KERNEL);
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@@ -198,13 +192,13 @@
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 	ret = msm_rd_debugfs_init(minor);
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 	if (ret) {
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-		dev_err(minor->dev->dev, "could not install rd debugfs\n");
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+		DRM_DEV_ERROR(minor->dev->dev, "could not install rd debugfs\n");
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 		return ret;
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 	}
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 	ret = msm_perf_debugfs_init(minor);
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 	if (ret) {
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-		dev_err(minor->dev->dev, "could not install perf debugfs\n");
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+		DRM_DEV_ERROR(minor->dev->dev, "could not install perf debugfs\n");
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 		return ret;
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 	}
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@@ -221,31 +215,20 @@
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 	return ret;
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 }
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-int msm_debugfs_init(struct drm_minor *minor)
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+void msm_debugfs_init(struct drm_minor *minor)
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 {
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 	struct drm_device *dev = minor->dev;
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 	struct msm_drm_private *priv = dev->dev_private;
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-	int ret;
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-	ret = drm_debugfs_create_files(msm_debugfs_list,
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-			ARRAY_SIZE(msm_debugfs_list),
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-			minor->debugfs_root, minor);
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-
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-	if (ret) {
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-		dev_err(dev->dev, "could not install msm_debugfs_list\n");
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-		return ret;
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-	}
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+	drm_debugfs_create_files(msm_debugfs_list,
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+				 ARRAY_SIZE(msm_debugfs_list),
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+				 minor->debugfs_root, minor);
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 	debugfs_create_file("gpu", S_IRUSR, minor->debugfs_root,
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 		dev, &msm_gpu_fops);
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-	if (priv->kms->funcs->debugfs_init) {
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-		ret = priv->kms->funcs->debugfs_init(priv->kms, minor);
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-		if (ret)
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-			return ret;
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-	}
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-
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-	return ret;
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+	if (priv->kms && priv->kms->funcs->debugfs_init)
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+		priv->kms->funcs->debugfs_init(priv->kms, minor);
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 }
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 #endif
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